mustash: Use ui::chromeos::EventRewriter in mus

services/ui/ws/cursor_unittest.cc

Index: services/ui/ws/cursor_unittest.cc
diff --git a/services/ui/ws/cursor_unittest.cc b/services/ui/ws/cursor_unittest.cc
index 732eb51894ee97cb06562bb4abee8c206608cead..572d67599dafda1928e53fe74915783de199e910 100644
--- a/services/ui/ws/cursor_unittest.cc
+++ b/services/ui/ws/cursor_unittest.cc
@@ -90,8 +90,11 @@ class CursorTest : public testing::Test {
     WindowManagerDisplayRoot* active_display_root =
         display->GetActiveWindowManagerDisplayRoot();
     ASSERT_TRUE(active_display_root);
-    static_cast<PlatformDisplayDelegate*>(display)->OnEvent(PointerEvent(
-        MouseEvent(ET_MOUSE_MOVED, p, p, base::TimeTicks(), 0, 0)));
+    PointerEvent event(
+        MouseEvent(ET_MOUSE_MOVED, p, p, base::TimeTicks(), 0, 0));
+    ignore_result(static_cast<PlatformDisplayDelegate*>(display)
+                      ->GetEventSink()
+                      ->OnEventFromSource(&event));
     WindowManagerState* wms = active_display_root->window_manager_state();
     wms->OnEventAck(wms->window_tree(), mojom::EventResult::HANDLED);
   }